Vacuum mug



FIG. 1 is a perspective view of my new design.

FIG. 2 is a top view of my new design.

FIG. 3 is a right side view of my new design.

FIG. 4 is a left side view of my new design; and,

FIG. 5 is a front view of my new design. 

CLAIM The ornamental design for a vacuum mug, as shown and described. 